Source code for ceilometer.tests.unit.objectstore.test_swift

# Copyright 2012 eNovance <licensing@enovance.com>
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

import collections

from keystoneauth1 import exceptions
import mock
from oslotest import base
from oslotest import mockpatch
from swiftclient import client as swift_client
import testscenarios.testcase

from ceilometer.agent import manager
from ceilometer.objectstore import swift

HEAD_ACCOUNTS = [('tenant-000', {'x-account-object-count': 12,
                                 'x-account-bytes-used': 321321321,
                                 'x-account-container-count': 7,
                                 }),
                 ('tenant-001', {'x-account-object-count': 34,
                                 'x-account-bytes-used': 9898989898,
                                 'x-account-container-count': 17,
                                 }),
                 ('tenant-002-ignored', {'x-account-object-count': 34,
                                         'x-account-bytes-used': 9898989898,
                                         'x-account-container-count': 17,
                                         })]

GET_ACCOUNTS = [('tenant-000', ({'x-account-object-count': 10,
                                 'x-account-bytes-used': 123123,
                                 'x-account-container-count': 2,
                                 },
                                [{'count': 10,
                                  'bytes': 123123,
                                  'name': 'my_container'},
                                 {'count': 0,
                                  'bytes': 0,
                                  'name': 'new_container'
                                  }])),
                ('tenant-001', ({'x-account-object-count': 0,
                                 'x-account-bytes-used': 0,
                                 'x-account-container-count': 0,
                                 }, [])),
                ('tenant-002-ignored', ({'x-account-object-count': 0,
                                         'x-account-bytes-used': 0,
                                         'x-account-container-count': 0,
                                         }, []))]

Tenant = collections.namedtuple('Tenant', 'id')
ASSIGNED_TENANTS = [Tenant('tenant-000'), Tenant('tenant-001')]


[docs]class TestManager(manager.AgentManager): def __init__(self): super(TestManager, self).__init__() self._keystone = mock.MagicMock() self._keystone_last_exception = None self._service_catalog = (self._keystone.session.auth. get_access.return_value.service_catalog) self._auth_token = (self._keystone.session.auth. get_access.return_value.auth_token)
[docs]class TestSwiftPollster(testscenarios.testcase.WithScenarios, base.BaseTestCase): # Define scenarios to run all of the tests against all of the # pollsters. scenarios = [ ('storage.objects', {'factory': swift.ObjectsPollster}), ('storage.objects.size', {'factory': swift.ObjectsSizePollster}), ('storage.objects.containers', {'factory': swift.ObjectsContainersPollster}), ('storage.containers.objects', {'factory': swift.ContainersObjectsPollster}), ('storage.containers.objects.size', {'factory': swift.ContainersSizePollster}), ] @staticmethod
[docs] def fake_ks_service_catalog_url_for(*args, **kwargs): raise exceptions.EndpointNotFound("Fake keystone exception")
[docs] def fake_iter_accounts(self, ksclient, cache, tenants): tenant_ids = [t.id for t in tenants] for i in self.ACCOUNTS: if i[0] in tenant_ids: yield i
@mock.patch('ceilometer.pipeline.setup_pipeline', mock.MagicMock())
[docs] def setUp(self): super(TestSwiftPollster, self).setUp() self.pollster = self.factory() self.manager = TestManager() if self.pollster.CACHE_KEY_METHOD == 'swift.head_account': self.ACCOUNTS = HEAD_ACCOUNTS else: self.ACCOUNTS = GET_ACCOUNTS
[docs] def tearDown(self): super(TestSwiftPollster, self).tearDown() swift._Base._ENDPOINT = None
[docs] def test_iter_accounts_no_cache(self): cache = {} with mockpatch.PatchObject(self.factory, '_get_account_info', return_value=[]): data = list(self.pollster._iter_accounts(mock.Mock(), cache, ASSIGNED_TENANTS)) self.assertIn(self.pollster.CACHE_KEY_METHOD, cache) self.assertEqual([], data)
[docs] def test_iter_accounts_cached(self): # Verify that if a method has already been called, _iter_accounts # uses the cached version and doesn't call swiftclient. mock_method = mock.Mock() mock_method.side_effect = AssertionError( 'should not be called', ) api_method = '%s_account' % self.pollster.METHOD with mockpatch.PatchObject(swift_client, api_method, new=mock_method): with mockpatch.PatchObject(self.factory, '_neaten_url'): cache = {self.pollster.CACHE_KEY_METHOD: [self.ACCOUNTS[0]]} data = list(self.pollster._iter_accounts(mock.Mock(), cache, ASSIGNED_TENANTS)) self.assertEqual([self.ACCOUNTS[0]], data)
[docs] def test_neaten_url(self): test_endpoints = ['http://127.0.0.1:8080', 'http://127.0.0.1:8080/swift'] test_tenant_id = 'a7fd1695fa154486a647e44aa99a1b9b' for test_endpoint in test_endpoints: standard_url = test_endpoint + '/v1/AUTH_' + test_tenant_id url = swift._Base._neaten_url(test_endpoint, test_tenant_id) self.assertEqual(standard_url, url) url = swift._Base._neaten_url(test_endpoint + '/', test_tenant_id) self.assertEqual(standard_url, url) url = swift._Base._neaten_url(test_endpoint + '/v1', test_tenant_id) self.assertEqual(standard_url, url) url = swift._Base._neaten_url(standard_url, test_tenant_id) self.assertEqual(standard_url, url)
[docs] def test_metering(self): with mockpatch.PatchObject(self.factory, '_iter_accounts', side_effect=self.fake_iter_accounts): samples = list(self.pollster.get_samples(self.manager, {}, ASSIGNED_TENANTS)) self.assertEqual(2, len(samples), self.pollster.__class__)
[docs] def test_get_meter_names(self): with mockpatch.PatchObject(self.factory, '_iter_accounts', side_effect=self.fake_iter_accounts): samples = list(self.pollster.get_samples(self.manager, {}, ASSIGNED_TENANTS)) self.assertEqual(set([samples[0].name]), set([s.name for s in samples]))
[docs] def test_only_poll_assigned(self): mock_method = mock.MagicMock() endpoint = 'end://point/' api_method = '%s_account' % self.pollster.METHOD with mockpatch.PatchObject(swift_client, api_method, new=mock_method): with mockpatch.PatchObject( self.manager._service_catalog, 'url_for', return_value=endpoint): list(self.pollster.get_samples(self.manager, {}, ASSIGNED_TENANTS)) expected = [mock.call(self.pollster._neaten_url(endpoint, t.id), self.manager._auth_token) for t in ASSIGNED_TENANTS] self.assertEqual(expected, mock_method.call_args_list)
[docs] def test_get_endpoint_only_once(self): endpoint = 'end://point/' mock_url_for = mock.MagicMock(return_value=endpoint) api_method = '%s_account' % self.pollster.METHOD with mockpatch.PatchObject(swift_client, api_method, new=mock.MagicMock()): with mockpatch.PatchObject( self.manager._service_catalog, 'url_for', new=mock_url_for): list(self.pollster.get_samples(self.manager, {}, ASSIGNED_TENANTS)) list(self.pollster.get_samples(self.manager, {}, ASSIGNED_TENANTS)) self.assertEqual(1, mock_url_for.call_count)
[docs] def test_endpoint_notfound(self): with mockpatch.PatchObject( self.manager._service_catalog, 'url_for', side_effect=self.fake_ks_service_catalog_url_for): samples = list(self.pollster.get_samples(self.manager, {}, ASSIGNED_TENANTS)) self.assertEqual(0, len(samples))

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